With Earth’s Ancientweapons chair at the centre of an international dispute, Dr.Daniel Jackson is sent to Antarctica to sooth diplomatic tensions. Meanwhile, GeneralJack O'Neill reluctantly takes charge of a radical new weapons chair training programme.
But when a natural disaster hits Antarctica, the future of the Ancient outpost – and of Earth itself – is thrown into jeopardy. Yet again, Earth’s fate lies in the hands of SG-1, but this time the team are lost and powerless to help.
Trapped within a strange reality, SG-1 encounter old friends and enemies as they struggle to escape and stop the Ancient cataclysm that’s threatening to destroy the planet.